Interactive STEM Education Kit DIY Wooden Optical Illusion Spinner for Science Class Projects

Description:100% new and high qualityMaterial: woodSize: about 149cm/5.513.54inColor:As PicturesPackage Included: 1set1. Interesting science enlightenment, entertaining: Through the principle of gear transmission and visual illusion, let children understand the mechanical structure and optical knowledge in the hands-on assembly, and stimulate interest in science.2. Log environmentally friendly material, safe and durable: made of high-quality basswood, smooth edges without burrs, no peculiar smell, environmental protection and safety, children use more assured, not easy to damage can be repeated operation.3. DIY assembly process, exercise hands-on ability: including complete parts, without additional tools, children can independently complete splicing assembly, effectively exercise hand-eye coordination and concentration.4. Gear transmission design, intuitive display principle: clear gear structure, rotation can visually see the mechanical transmission effect, with visual illusion turntable, to help children understand the movement and optical phenomena.5. STEAM educational aids are widely applicable: suitable for classroom teaching, family parent-child interaction, scientific activities or children's manual classes. They are popular science teaching aids with low cost and high interaction, and can also be used as creative gifts.Notes: Due to manual measurement , there may be 5mm deviation exist,hope you can understand.There are slight difference between the picture and the item caused by light brightness,hope you can understand.